42251335 has 16 divisors (see below), whose sum is σ = 59040576. Its totient is φ = 28424448.

The previous prime is 42251323. The next prime is 42251351. The reversal of 42251335 is 53315224.

It is a cyclic number.

It is not a de Polignac number, because 42251335 - 2⁵ = 42251303 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9534 + ... + 13243.

It is an arithmetic number, because the mean of its divisors is an integer number (3690036).

Almost surely, 2^42251335 is an apocalyptic number.

42251335 is a deficient number, since it is larger than the sum of its proper divisors (16789241).

42251335 is a wasteful number, since it uses less digits than its factorization.

42251335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22842.

The product of its digits is 3600, while the sum is 25.

The square root of 42251335 is about 6500.1026914965. The cubic root of 42251335 is about 348.2946567458.

Adding to 42251335 its reverse (53315224), we get a palindrome (95566559).

The spelling of 42251335 in words is "forty-two million, two hundred fifty-one thousand, three hundred thirty-five".